Ostrum Asset Management

Financial ServicesÎle-de-france, France201-500 Employees

Ostrum Asset Management, a European asset manager dedicated to institutional clients, is defined by its unwavering commitment to finance making a positive societal impact. The firm strives to deliver durable value for its clients’ investments, enabling them in their social focus centered on life-stage goals such as retirement, health, and protection against life’s risks (life & disability and P&C insurance).
Ostrum Asset Management is among the European leaders in institutional asset management¹, providing support to its clients across the entire investment value chain, with a full range of solutions, a set of insurance-based (equities, bonds, multi-assets), active (fixed income, money market, equity) and quantitative management offerings, combined with a comprehensive suite of dedicated services. 
Guided by an integrated ESG framework geared toward sustainable performance, Ostrum Asset Management oversees €388 billion in assets²³ for major institutional clients (insurers, pension funds, mutual health insurers, corporates). The firm positions itself as a long-term partner, delivering proactive, personalized, and transparent end-to-end support in service of responsible investing⁴.
Ostrum Asset Management is an affiliate of Natixis Investment Managers. 

1.	IPE Top 500 Asset Managers (Investment & Pensions Europe) ranked Ostrum AM as the 9th largest European institutional asset manager, as at 12/31/2024. Any reference to a ranking, a rating or an award provides no guarantee for future performance.
2.	Source: Ostrum Asset Management, consolidated data at end-March 2026. The services provided for a given client may concern certain services only.
3.	Change in the methodology used for the reporting of assets, effective January 1, 2025.
4.	Ostrum AM was one of the first French asset manager signatories to the PRI in 2008. More details: www.unpri.org.

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